package lab02.test02;

/**
 * Created by 123 on 2017/10/13.
 */
public class Test {
    public static void main(String[] args) {

        Round one = new Round();//新建一个圆

        System.out.println(one.area(4.0));//打印远的面积
        System.out.println(one.perimeter(2.0));//打印圆的周长
    }


}
